The objectives of this research were 1. To study problem of the marketing management of community-based tourism, Nakhon Si Thammarat Province; 2. To develop the marketing management model of community-based tourism, Nakhon Si Thammarat Province; 3. To assess of using the marketing management model of community-based tourism, Nakhon Si Thammarat Province, by using mixed methods research, data collection in local communities then brought to analyze and theoretical synthesis. The study found that the problem of the marketing management of community-based tourism, Nakhon Si Thammarat Province was the problem of access to tourism news and information, and the travel plan management is still unable to be systematically linked into a network, and found that the development of marketing management model of community-based tourism had conferenced to lessons learned, analyzed strengths and weaknesses, caused innovation of the marketing management model of community-based tourism with network system and continuously developed the potential of the tourism management team to meet the needs of tourists, and assessed the use of the marketing management model of community-based tourism. The tourism management unit used OKRs to assess both the short and long term so that they can stay committed to their goals.